tests: remove packet injector tests as it's already used everywhere
tests: remove packet injector tests as it's already used everywhere

lebauce/skydive,skydive-project/skydive,lebauce/skydive,safchain/skydive,safchain/skydive,skydive-project/skydive,safchain/skydive,skydive-project/skydive,skydive-project/skydive,lebauce/skydive,safchain/skydive,safchain/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive